cExpress-TL User’s Guide
PICMG COM.0 R3.0
Page 41
Copyright © 2021 ADLINK Technology, Inc.
4.3.16
Power and Ground
Name
Pin #
Description
I/O
PU / PD
Comment
VCC_12V
A104, A105, A106, A107, A108,
A109, B104, B105, B106, B107,
B109
Primary power input supports wide range 5~ 20V
input
All available VCC_12V pins on the connector(s) shall be
used.
P 8.5-20
V
VCC_5V_SBY
B84, B85, B86, B87
Standby power input: +5.0V nominal. If VCC5_SBY is
used, all available VCC_5V_SBY pins on the
connector(s) shall be used. Only used for standby and
suspend functions. May be left unconnected if these
functions are not used in the system design.
P 5Vsb
±5%
VCC_RTC
A47
Real-time clock circuit-power input. Nom3.0V.
P
GND
A1, A11, A21, A31, A41, A51,
A57, A60, A66, A70, A80, A90,
A100, A110, B1, B11, B21, B31,
B41, B51, B60, B70, B80, B90,
B100, B110
Ground - DC power and signal and AC signal return
path.
P
